/*
* Copyright 2013 Orient Technologies.
* Copyright 2013 Geomatys.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.orientechnologies.orient.core.sql.method.misc;
import com.orientechnologies.orient.core.command.OCommandContext;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import java.util.Map;
/**
*
* @author Johann Sorel (Geomatys)
* @author Luca Garulli
*/
public class OSQLMethodKeys extends OAbstractSQLMethod {
public static final String NAME = "keys";
public OSQLMethodKeys() {
super(NAME);
}
@Override
public Object execute(Object iThis, OIdentifiable iCurrentRecord, OCommandContext iContext, Object ioResult, Object[] iParams) {
ioResult = ioResult != null && ioResult instanceof Map<?, ?> ? ((Map<?, ?>) ioResult).keySet() : null;
return ioResult;
}
}